Missouri Insurance Commissioner Phone Number. What is the aarp membership phone number? High st., room 530 jefferson city, mo 65101 mailing address:
High st., room 530, jefferson city, mo 65101 mailing address: If you haven't been doing so, start keeping records of all phone conversations and agent contacts. The missouri department of insurance, financial institutions and professional registration (difp) website has information on obtaining an industry license, filling out and filing industry forms, searching industry licensees as well as information for consumers.